binder.h revision 525ce914edf136d2bd02ac8c404d56c52e737f4d
1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19#ifndef _UAPI_LINUX_BINDER_H 20#define _UAPI_LINUX_BINDER_H 21#include <linux/types.h> 22#include <linux/ioctl.h> 23#define B_PACK_CHARS(c1,c2,c3,c4) ((((c1) << 24)) | (((c2) << 16)) | (((c3) << 8)) | (c4)) 24#define B_TYPE_LARGE 0x85 25enum { 26 BINDER_TYPE_BINDER = B_PACK_CHARS('s', 'b', '*', B_TYPE_LARGE), 27 BINDER_TYPE_WEAK_BINDER = B_PACK_CHARS('w', 'b', '*', B_TYPE_LARGE), 28 BINDER_TYPE_HANDLE = B_PACK_CHARS('s', 'h', '*', B_TYPE_LARGE), 29 BINDER_TYPE_WEAK_HANDLE = B_PACK_CHARS('w', 'h', '*', B_TYPE_LARGE), 30 BINDER_TYPE_FD = B_PACK_CHARS('f', 'd', '*', B_TYPE_LARGE), 31 BINDER_TYPE_FDA = B_PACK_CHARS('f', 'd', 'a', B_TYPE_LARGE), 32 BINDER_TYPE_PTR = B_PACK_CHARS('p', 't', '*', B_TYPE_LARGE), 33}; 34enum { 35 FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff, 36 FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100, 37}; 38#ifdef BINDER_IPC_32BIT 39typedef __u32 binder_size_t; 40typedef __u32 binder_uintptr_t; 41#else 42typedef __u64 binder_size_t; 43typedef __u64 binder_uintptr_t; 44#endif 45struct binder_object_header { 46 __u32 type; 47}; 48struct flat_binder_object { 49 struct binder_object_header hdr; 50 __u32 flags; 51 union { 52 binder_uintptr_t binder; 53 __u32 handle; 54 }; 55 binder_uintptr_t cookie; 56}; 57struct binder_fd_object { 58 struct binder_object_header hdr; 59 __u32 pad_flags; 60 union { 61 binder_uintptr_t pad_binder; 62 __u32 fd; 63 }; 64 binder_uintptr_t cookie; 65}; 66struct binder_buffer_object { 67 struct binder_object_header hdr; 68 __u32 flags; 69 binder_uintptr_t buffer; 70 binder_size_t length; 71 binder_size_t parent; 72 binder_size_t parent_offset; 73}; 74enum { 75 BINDER_BUFFER_FLAG_HAS_PARENT = 0x01, 76}; 77struct __kernel_binder_fd_array_object { 78 struct binder_object_header hdr; 79 binder_size_t num_fds; 80 binder_size_t parent; 81 binder_size_t parent_offset; 82}; 83struct binder_write_read { 84 binder_size_t write_size; 85 binder_size_t write_consumed; 86 binder_uintptr_t write_buffer; 87 binder_size_t read_size; 88 binder_size_t read_consumed; 89 binder_uintptr_t read_buffer; 90}; 91struct binder_version { 92 __s32 protocol_version; 93}; 94#ifdef BINDER_IPC_32BIT 95#define BINDER_CURRENT_PROTOCOL_VERSION 7 96#else 97#define BINDER_CURRENT_PROTOCOL_VERSION 8 98#endif 99#define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read) 100#define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, __s64) 101#define BINDER_SET_MAX_THREADS _IOW('b', 5, __u32) 102#define BINDER_SET_IDLE_PRIORITY _IOW('b', 6, __s32) 103#define BINDER_SET_CONTEXT_MGR _IOW('b', 7, __s32) 104#define BINDER_THREAD_EXIT _IOW('b', 8, __s32) 105#define BINDER_VERSION _IOWR('b', 9, struct binder_version) 106enum transaction_flags { 107 TF_ONE_WAY = 0x01, 108 TF_ROOT_OBJECT = 0x04, 109 TF_STATUS_CODE = 0x08, 110 TF_ACCEPT_FDS = 0x10, 111}; 112struct binder_transaction_data { 113 union { 114 __u32 handle; 115 binder_uintptr_t ptr; 116 } target; 117 binder_uintptr_t cookie; 118 __u32 code; 119 __u32 flags; 120 pid_t sender_pid; 121 uid_t sender_euid; 122 binder_size_t data_size; 123 binder_size_t offsets_size; 124 union { 125 struct { 126 binder_uintptr_t buffer; 127 binder_uintptr_t offsets; 128 } ptr; 129 __u8 buf[8]; 130 } data; 131}; 132struct binder_transaction_data_sg { 133 struct binder_transaction_data transaction_data; 134 binder_size_t buffers_size; 135}; 136struct binder_ptr_cookie { 137 binder_uintptr_t ptr; 138 binder_uintptr_t cookie; 139}; 140struct binder_handle_cookie { 141 __u32 handle; 142 binder_uintptr_t cookie; 143} __packed; 144struct binder_pri_desc { 145 __s32 priority; 146 __u32 desc; 147}; 148struct binder_pri_ptr_cookie { 149 __s32 priority; 150 binder_uintptr_t ptr; 151 binder_uintptr_t cookie; 152}; 153enum binder_driver_return_protocol { 154 BR_ERROR = _IOR('r', 0, __s32), 155 BR_OK = _IO('r', 1), 156 BR_TRANSACTION = _IOR('r', 2, struct binder_transaction_data), 157 BR_REPLY = _IOR('r', 3, struct binder_transaction_data), 158 BR_ACQUIRE_RESULT = _IOR('r', 4, __s32), 159 BR_DEAD_REPLY = _IO('r', 5), 160 BR_TRANSACTION_COMPLETE = _IO('r', 6), 161 BR_INCREFS = _IOR('r', 7, struct binder_ptr_cookie), 162 BR_ACQUIRE = _IOR('r', 8, struct binder_ptr_cookie), 163 BR_RELEASE = _IOR('r', 9, struct binder_ptr_cookie), 164 BR_DECREFS = _IOR('r', 10, struct binder_ptr_cookie), 165 BR_ATTEMPT_ACQUIRE = _IOR('r', 11, struct binder_pri_ptr_cookie), 166 BR_NOOP = _IO('r', 12), 167 BR_SPAWN_LOOPER = _IO('r', 13), 168 BR_FINISHED = _IO('r', 14), 169 BR_DEAD_BINDER = _IOR('r', 15, binder_uintptr_t), 170 BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR('r', 16, binder_uintptr_t), 171 BR_FAILED_REPLY = _IO('r', 17), 172}; 173enum binder_driver_command_protocol { 174 BC_TRANSACTION = _IOW('c', 0, struct binder_transaction_data), 175 BC_REPLY = _IOW('c', 1, struct binder_transaction_data), 176 BC_ACQUIRE_RESULT = _IOW('c', 2, __s32), 177 BC_FREE_BUFFER = _IOW('c', 3, binder_uintptr_t), 178 BC_INCREFS = _IOW('c', 4, __u32), 179 BC_ACQUIRE = _IOW('c', 5, __u32), 180 BC_RELEASE = _IOW('c', 6, __u32), 181 BC_DECREFS = _IOW('c', 7, __u32), 182 BC_INCREFS_DONE = _IOW('c', 8, struct binder_ptr_cookie), 183 BC_ACQUIRE_DONE = _IOW('c', 9, struct binder_ptr_cookie), 184 BC_ATTEMPT_ACQUIRE = _IOW('c', 10, struct binder_pri_desc), 185 BC_REGISTER_LOOPER = _IO('c', 11), 186 BC_ENTER_LOOPER = _IO('c', 12), 187 BC_EXIT_LOOPER = _IO('c', 13), 188 BC_REQUEST_DEATH_NOTIFICATION = _IOW('c', 14, struct binder_handle_cookie), 189 BC_CLEAR_DEATH_NOTIFICATION = _IOW('c', 15, struct binder_handle_cookie), 190 BC_DEAD_BINDER_DONE = _IOW('c', 16, binder_uintptr_t), 191 BC_TRANSACTION_SG = _IOW('c', 17, struct binder_transaction_data_sg), 192 BC_REPLY_SG = _IOW('c', 18, struct binder_transaction_data_sg), 193}; 194#endif 195